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The moon and the planets

, Volume 22, Issue 1, pp 99–102 | Cite as

On the apparent secular accelerations of the Moon and the Sun

  • R. A. Lyttleton
  • J. P. Fitch
Article
  • 14 Downloads

Abstract

The discussion of tidal friction in the Earth-Moon system given in successive editions ofThe Earth by Jeffreys is shown to contain a serious dynamical error. When the treatment is corrected, it shows that the moment of inertia of the Earth must be changing. The apparent secular accelerations of the Moon and Sun require a diminishing moment of inertia, and the rate is in agreement with the phase-change hypothesis for the nature of the core.

Keywords

Dynamical Error Tidal Friction Secular Acceleration Successive Edition 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

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Copyright information

© D. Reidel Publishing Company 1980

Authors and Affiliations

  • R. A. Lyttleton
    • 1
    • 2
  • J. P. Fitch
    • 3
  1. 1.St John's CollegeCambridgeEngland
  2. 2.Jet Propulsion LaboratoryPasadenaU.S.A.
  3. 3.Department of Computer StudiesUniversity of LeedsEngland

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